2
Sources
1
4
1
2
1
2
1
1
0
1
0
1
1
2
1
0
1
1
0
1
2
2
1
2
2
3
2
17K
0
1
2
0
1
2
1
1
0
3
3
1
2
2
2
2
2
1
1
2
33K
